1 files changed, 6 insertions, 2 deletions
diff --git a/ghc.mk b/ghc.mk
index c6e0b58ec9..bd2bf7c16a 100644
--- a/ghc.mk
+++ b/ghc.mk
@@ -468,11 +468,15 @@ BUILD_DIRS += \
    gmp \
    docs/users_guide \
    libraries/Cabal/doc \
-   $(GHC_MANGLER_DIR) \
-   $(GHC_SPLIT_DIR) \
    $(GHC_UNLIT_DIR) \
    $(GHC_HP2PS_DIR)
 
+ifneq "$(GhcUnregisterised)" "YES"
+BUILD_DIRS += \
+   $(GHC_MANGLER_DIR) \
+   $(GHC_SPLIT_DIR)
+endif
+
 ifneq "$(BINDIST)" "YES"
 BUILD_DIRS += \
    $(GHC_GENPRIMOP_DIR)